/
coreos-pxe-install.jsonnet
820 lines (773 loc) · 29.8 KB
/
coreos-pxe-install.jsonnet
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local kube = import "kube.libsonnet";
local kubecfg = import "kubecfg.libsonnet";
local utils = import "utils.libsonnet";
// NB: To rolling-reboot all the nodes: (I think it needs label _and_ annotation??)
// kubectl annotate nodes -l flatcar-linux-update.v1.flatcar-linux.net/id flatcar-linux-update.v1.flatcar-linux.net/reboot-needed=true
// kubectl label nodes -l flatcar-linux-update.v1.flatcar-linux.net/id flatcar-linux-update.v1.flatcar-linux.net/reboot-needed=true
// renovate: depName=kubernetes/kubernetes datasource=github-releases versioning=semver
local kubelet_tag = "v1.24.17";
local default_env = {
// NB: dockerd can't route to a cluster LB VIP? (fixme)
//http_proxy: "http://proxy.lan:80/",
// Causes more surprises than it solves.
//http_proxy: "http://192.168.0.10:3128/",
//no_proxy: ".lan,.local",
};
local arch = "amd64";
local pxeNodeSelector = {
tolerations+: utils.toleratesMaster,
nodeSelector+: utils.archSelector(arch),
};
local sshKeys = [
importstr "/home/gus/.ssh/id_ed25519.pub",
importstr "/home/gus/.ssh/id_rsa.pub",
];
local filekey(path) = (
local tmp = kubecfg.regexSubst("[^a-zA-Z0-9]+", path, "-");
kubecfg.regexSubst("^-+", tmp, "")
);
{
namespace:: {
metadata+: { namespace: "coreos-pxe-install" },
},
ns: kube.Namespace($.namespace.metadata.namespace),
// Used by `coreos-cloudinit`
cloud_config: utils.HashedConfigMap("cloud-config") + $.namespace {
data: {
user_data: "#cloud-config\n" + kubecfg.manifestYaml($.cloud_config_),
},
},
cloud_config_:: {
coreos: {
local unit(name, hascontent=true) = {
name: name,
runtime: true,
content_:: {},
[if hascontent then "content"]: std.manifestIni(self.content_),
},
units: [
unit("containerd.service", false) {
enable: false, // use kube-containerd
mask: true,
},
unit("docker.service", false) {
enable: false, // use kube-containerd
mask: true,
},
unit("update-engine.service", false) {
enable: true,
},
unit("locksmithd.service", false) {
enable: false,
mask: true,
},
unit("kubelet.path") {
enable: true,
command: "start",
content_:: {
sections: {
Unit: {
Description: "Watch for kubeconfig",
},
Path: {
PathExists: "/etc/kubernetes/bootstrap-kubelet.conf",
},
Install: {
WantedBy: "multi-user.target",
},
},
},
},
unit("kube-containerd.service") {
enable: true,
content_:: {
sections: {
Unit: {
Description: "Containerd container runtime",
Documentation: "https://containerd.io",
// containerd cri plugin gets upset if defaultroute doesn't exist
// https://github.com/containerd/cri/pull/794#issuecomment-408830059
Wants: "network-online.target",
After: "network-online.target local-fs.target",
},
Service: {
Environment: "CONTAINERD_CONFIG=/etc/containerd/config.toml",
Slice: "podruntime.slice",
ExecStart: "/usr/bin/containerd -a /run/containerd/containerd.sock --config ${CONTAINERD_CONFIG}",
Delegate: "yes",
KillMode: "process",
Restart: "always",
LimitNOFILE: 1048576,
LimitNPROC: "infinity",
LimitCORE: "infinity",
TasksMax: "infinity",
},
},
},
},
unit("kubelet.service") {
enable: true,
command: "start",
content_:: {
sections: {
Unit: {
Description: "Kubelet",
After: "network.target kube-containerd.service",
Wants: "kube-containerd.service",
},
Service: {
EnvironmentFile: "/etc/kubernetes/kubelet.env",
ExecStartPre: [
"/bin/mkdir -p " + std.join(" ", [
"/opt/cni/bin",
"/etc/cni/net.d",
]),
"/opt/bin/download-kubelet /opt/kubelet ${KUBELET_VERSION}",
],
Slice: "podruntime.slice",
// TODO: /v/l/kubelet/plugins{,_registry} should maybe move to /run
ConfigurationDirectory: std.join(" ", ["kubernetes", "kubernetes/manifests", "kubernetes/checkpoint-secrets", "kubernetes/inactive-manifests"]),
LogsDirectory: std.join(" ", ["pods", "containers"]),
StateDirectory: std.join(" ", ["kubelet", "kubelet/volumeplugins", "cni", "local-data", "calico"]),
ExecStart: std.join(" \\\n ", [
"/opt/kubelet/kubelet",
] + [
"--%s=%s" % kv for kv in kube.objectItems(self.args_)
]),
// https://github.com/kubernetes/release/blob/master/rpm/10-kubeadm.conf
args_:: {
//v: 3,
"anonymous-auth": false,
"client-ca-file": "/var/lib/kubelet/pki/kube-ca/ca.crt",
"authentication-token-webhook": true,
"authorization-mode": "Webhook",
"cluster-dns": "10.96.0.10",
"cluster-domain": "cluster.local",
"cert-dir": "/var/lib/kubelet/pki",
allowed_unsafe_sysctls:: ["net.core.rmem_*"],
"allowed-unsafe-sysctls": std.join(",", std.set(self.allowed_unsafe_sysctls)),
"exit-on-lock-contention": true,
"pod-max-pids": "10000",
"fail-swap-on": false,
"kernel-memcg-notification": true,
"cgroup-driver": "systemd",
"cgroup-root": "/",
"container-runtime": "remote",
"container-runtime-endpoint": "unix:///run/containerd/containerd.sock",
"hostname-override": "%m",
"lock-file": "/var/run/lock/kubelet.lock",
"pod-manifest-path": "/etc/kubernetes/manifests",
"rotate-certificates": true,
"rotate-server-certificates": true,
feature_gates_:: {
IPv6DualStack: true,
NodeSwap: true,
DisableCloudProviders: true,
//DisableCloudCredentialProviders: true, // 1.23
},
"feature-gates": std.join(",", ["%s=%s" % kv for kv in kube.objectItems(self.feature_gates_)]),
"tls-min-version": "VersionTLS12",
"tls-cipher-suites": "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256",
"serialize-image-pulls": false,
"kubeconfig": "/etc/kubernetes/kubelet.conf",
"bootstrap-kubeconfig": "/etc/kubernetes/bootstrap-kubelet.conf",
"volume-plugin-dir": "/var/lib/kubelet/volumeplugins",
// TODO: compare these to defaults:
"runtime-request-timeout": "10m",
"sync-frequency": "5m",
kube_reserved_:: { // NB: not enforced
cpu: "100m",
memory: "256Mi",
"ephemeral-storage": "256Mi",
pid: 100,
},
"kube-reserved": std.join(",", ["%s=%s" % kv for kv in kube.objectItems(self.kube_reserved_)]),
"kube-reserved-cgroup": "/podruntime.slice",
system_reserved_:: { // NB: not enforced
cpu: "10m",
memory: "100Mi",
"ephemeral-storage": "500Mi",
pid: 1000,
},
"system-reserved": std.join(",", ["%s=%s" % kv for kv in kube.objectItems(self.system_reserved_)]),
"system-reserved-cgroup": "/system.slice",
eviction_:: {
"nodefs.available": {
hard: "1Gi",
soft: "2Gi",
minimum_reclaim: "500Mi",
soft_grace_period: "2m",
},
"imagefs.available": {
hard: "2Gi",
soft: "3Gi",
minimum_reclaim: "1Gi",
soft_grace_period: "2m",
},
},
local manifestEviction(key, template) = std.join(",", [
template % [kv[0], kv[1][key]] for kv in kube.objectItems(self.eviction_)
if std.objectHas(kv[1], key)
]),
"eviction-hard": manifestEviction("hard", "%s<%s"),
"eviction-minimum-reclaim": manifestEviction("minimum_reclaim", "%s=%s"),
"eviction-soft": manifestEviction("soft", "%s<%s"),
"eviction-soft-grace-period": manifestEviction("soft_grace_period", "%s=%s"),
"eviction-max-pod-grace-period": "600",
},
Restart: "always",
RestartSec: "10",
StartLimitInterval: "0",
},
Install: {
WantedBy: "multi-user.target",
},
},
},
},
unit("zz-default.network", hascontent=false) {
"drop-ins": [{
name: "50-garagecloud.conf",
content: std.manifestIni(self.content_),
content_:: {
sections: {
Network: {
IPv6AcceptRA: "true",
},
},
},
}],
},
unit("create-swapfile.service") {
content_:: {
sections: {
Unit: {
Description: "Create a swapfile",
RequiresMountsFor: "/var",
ConditionPathExists: "!/var/vm/swapfile1",
// Avoid (circular) dependency on basic.target
DefaultDependencies: "no",
},
Service: {
Type: "oneshot",
ExecStart: [
"/usr/bin/mkdir -p /var/vm",
"/usr/bin/dd if=/dev/zero of=/var/vm/swapfile1 bs=1M count=8096",
"/usr/bin/chmod 600 /var/vm/swapfile1",
"/usr/sbin/mkswap /var/vm/swapfile1",
],
RemainAfterExit: "true",
},
},
},
},
unit("var-vm-swapfile1.swap") {
enable: true,
command: "start",
content_:: {
sections: {
Unit: {
Description: "Turn on swap",
Requires: "create-swapfile.service",
After: "create-swapfile.service",
},
Swap: {
What: "/var/vm/swapfile1",
},
Install: {
WantedBy: "swap.target",
},
},
},
},
unit("losetup@.service") {
runtime: false,
content_:: {
sections: {
Unit: {
Description: "Loopback device for %f",
DefaultDependencies: "no",
RequiresMountsFor: "%f",
Conflicts: "umount.target",
},
Service: {
Type: "oneshot",
RemainAfterExit: "yes",
ExecStart: "/usr/sbin/losetup --direct-io=on --find %f",
ExecStop: "/usr/sbin/losetup --detach %f",
},
Install: {
WantedBy: "local-fs.target",
},
},
},
},
],
},
ssh_authorized_keys: sshKeys,
local file(path, content) = {
path: path,
permissions: "0644",
owner: "root",
content: content,
},
write_files: [
file("/opt/bin/download-kubelet", importstr "download-kubelet") {
permissions: "0755",
},
file("/etc/kubernetes/kubelet.env", |||
KUBELET_VERSION=%(tag)s
||| % {tag: kubelet_tag},
),
file("/etc/sysctl.d/max-user-watches.conf", |||
fs.inotify.max_user_watches=16184
|||
),
file("/etc/profile.env",
std.join("", ["export %s=%s\n" % kv for kv in kube.objectItems(default_env)])),
file("/etc/systemd/logind.conf.d/lid.conf",
std.manifestIni({
sections: {
Login: {
HandleLidSwitch: "ignore",
},
},
})),
file("/etc/sysctl.d/80-garagecloud.conf",
"vm.swappiness=10\n"),
file("/usr/share/oem/grub.cfg", |||
set linux_append="$linux_append coreos.config.url=oem:///coreos-install.json"
set linux_append="$linux_append systemd.unified_cgroup_hierarchy=1"
|||
),
file("/etc/systemd/system.conf.d/garagecloud.conf",
std.manifestIni({
sections: {
Manager: {
RuntimeWatchdogSec: "20s",
},
},
})),
file("/etc/docker/daemon.json",
kubecfg.manifestJson({
"exec-opts": ["native.cgroupdriver=systemd"],
"storage-driver": "overlay2",
"log-driver": "json-file",
"log-opts": {"max-size": "100m"},
})),
file("/etc/kubernetes/kubelet.conf",
kubecfg.manifestYaml({
apiVersion: "v1",
kind: "Config",
clusters: [{
name: "default-cluster",
cluster: {
"certificate-authority": "/var/lib/kubelet/pki/kube-ca/ca.crt",
server: "https://kube.lan:6443",
},
}],
users: [{
name: "default-auth",
user: {
"client-certificate": "/var/lib/kubelet/pki/kubelet-client-current.pem",
"client-key": "/var/lib/kubelet/pki/kubelet-client-current.pem",
},
}],
contexts: [{
name: "default-context",
context: {
cluster: "default-cluster",
namespace: "default",
user: "default-auth",
},
}],
"current-context": "default-context",
})),
file("/etc/containerd/config.toml",
utils.manifestToml({
version: 2,
subreaper: true,
oom_score: -999,
grpc: {
address: "/run/containerd/containerd.sock",
uid: 0,
gid: 0,
},
metrics: {
address: "127.0.0.1:1338",
},
plugins: {
"io.containerd.grpc.v1.cri": {
containerd: {
default_runtime_name: "runc",
runtimes: {
runc: {
runtime_type: "io.containerd.runc.v2",
options: {
SystemdCgroup: true,
},
},
},
},
registry: {
mirrors: {
"docker.io": {endpoint: ["https://registry-1.docker.io"]},
},
},
},
},
})),
file("/etc/udev/rules.d/20-looppath.rules", |||
# loop
KERNEL=="loop[0-9]*", ATTRS{loop/backing_file}=="?*", PROGRAM="/bin/sh -c 'echo %s{loop/backing_file} | tr / -'", ENV{ID_PATH}="loop$result", OPTIONS+="string_escape=replace"
|||
),
],
},
post_install: kube.DaemonSet("post-install-updater") + $.namespace {
spec+: {
template+: utils.CriticalPodSpec + {
spec+: {
affinity+: {
nodeAffinity: {
requiredDuringSchedulingIgnoredDuringExecution: {
nodeSelectorTerms: [{
matchExpressions: [{
// Hijack the updater label
key: "flatcar-linux-update.v1.flatcar-linux.net/id",
operator: "In",
values: std.set(["flatcar"]),
}],
}],
},
},
},
volumes_: {
config: kube.ConfigMapVolume($.cloud_config),
dest: kube.HostPathVolume("/var/lib/flatcar-install", "DirectoryOrCreate"),
kubeca: kube.HostPathVolume("/var/lib/kubelet/pki/kube-ca", "DirectoryOrCreate"),
},
tolerations+: utils.toleratesMaster,
priorityClassName: "system-node-critical",
hostNetwork: true,
terminationGracePeriodSeconds: 1,
initContainers_+: {
copy: utils.shcmd("copy") {
shcmd: "cp /config/user_data /dest/",
volumeMounts_+: {
config: {mountPath: "/config", readOnly: true},
dest: {mountPath: "/dest"},
},
},
cacopy: utils.shcmd("cacopy") {
shcmd: "cp /var/run/secrets/kubernetes.io/serviceaccount/ca.crt /kube-ca/ca.crt",
volumeMounts_+: {
kubeca: {mountPath: "/kube-ca"},
},
},
},
containers_: {
status: kube.Container("status") {
// Limit the rate of the kubelet rollout to the daemonset rollout
image: "busybox",
command: ["cat", "/dev/stdin"], // cheap 'sleep forever'
stdin: true,
readinessProbe: {
exec+: {
command: [
// This only blocks on kubelet version. Ideally
// it should block on every change implied by
// initContainer (perhaps even require a reboot).
"/bin/sh", "-e", "-x", "-c", |||
v="$(wget -qO- http://localhost:10255/metrics | sed -n 's/^kubernetes_build_info{.*git_version="\([^"]*\)".*/\1/p')"
test "$v" = %s
||| % std.escapeStringBash(kubelet_tag),
],
},
timeoutSeconds: 30,
periodSeconds: 30*60, // 30mins
initialDelaySeconds: 2*60,
},
},
},
},
},
},
},
ipxe_config: kube.ConfigMap("ipxe-config") + $.namespace {
local http_url = "http://kube.lan:%d" % [$.httpdSvc.spec.ports[0].nodePort],
data: {
"boot.ipxe": |||
#!ipxe
set http_url %s
isset ${ip} || dhcp || echo DHCP failed
#chain --autofree http://boot.ipxe.org/ipxe.lkrn ||
:main_menu
imgfree
menu iPXE Boot Menu
item local Boot local hdd
item worker_install Install k8s worker
item flatcar Boot flatcar
item coreos Boot Fedora CoreOS
item coreos_install Install Fedora CoreOS
item debian Boot Debian installer (stable)
item windows Boot Windows PE
item --gap Other
item netbootxyz Chain to netboot.xyz
item shell iPXE shell
choose menu && goto ${menu}
goto local
:error
echo Error occured, press any key to return to menu ...
prompt
goto main_menu
:local
echo Booting from local disks ...
exit 0
:netbootxyz
imgtrust --allow ||
chain http://boot.netboot.xyz/
exit
:shell
echo Type "exit" to return to menu.
imgtrust --allow ||
shell
imgtrust ||
goto main_menu
:debian
set debmirror http://cdn.debian.net/debian/
set release stable
cpuid --ext 29 && set arch amd64 || set arch i386
set base-url ${debmirror}/dists/${release}/main/installer-${arch}/current/images/netboot/debian-installer/${arch}
set 209:string pxelinux.cfg/default
set 210:string ${base-url}
chain --autofree ${base-url}/pxelinux.0
boot
goto error
:flatcar
cpuid --ext 29 && set arch amd64 || set arch i386
set base-url http://beta.release.flatcar-linux.net/${arch}-usr/current
kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.autologin
initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
prompt Press enter when ready to boot
boot
goto error
# Doesn't actually do anything, since the ignition 'install' just configures the ramdisk :/
:worker_install
cpuid --ext 29 && set arch amd64 || set arch i386
set base-url http://beta.release.flatcar-linux.net/${arch}-usr/current
# Local IPFS copy, cached on 2020-04-13:
#set base-url http://ipfs.k.lan/ipfs/QmVdgm13jqUsVcHQsxjT4fbTEMPaspCQ1jUdKSBZifVPfv
prompt -k 0x197e -t 10000 Press F12 to install to disk || goto error
kernel ${base-url}/flatcar_production_pxe.vmlinuz initrd=flatcar_production_pxe_image.cpio.gz flatcar.autologin=tty1 flatcar.first_boot=1 ignition.config.url=${http_url}/pxe-config.ign
# root=LABEL=ROOT ds=nocloud-net;s=${http_url}/
initrd ${base-url}/flatcar_production_pxe_image.cpio.gz
boot
goto error
:coreos
# Fedora CoreOS
set version 32.20200726.3.1
set name fedora-coreos-${version}-live
set stream stable
cpuid --ext 29 && set arch x86_64 || set arch x86
set base-url http://builds.coreos.fedoraproject.org/prod/streams/${stream}/builds/${version}/${arch}
kernel ${base-url}/${name}-kernel-${arch} ip=dhcp rd.neednet=1 initrd=${name}-initramfs.${arch}.img,${name}-rootfs.${arch}.img console=tty0 console=ttyS0 ignition.platform.id=metal ignition.config.url=${http_url}/pxe-config.ign BOOTIF=01-${net0/mac}
initrd ${base-url}/${name}-initramfs.${arch}.img
initrd ${base-url}/${name}-rootfs.${arch}.img
boot
goto error
:coreos_install
# Fedora CoreOS
#set base-url http://ipfs.k.lan/ipfs/QmWMuK5PN4nQWo6eCAnYo3YP2L3PsoKUULGsM5bfuYZp6w
set version 32.20200726.3.1
set name fedora-coreos-${version}-live
set stream stable
cpuid --ext 29 && set arch x86_64 || set arch x86
set base-url http://builds.coreos.fedoraproject.org/prod/streams/${stream}/builds/${version}/${arch}
prompt -k 0x197e -t 10000 Press F12 to install ${name} to disk || goto error
kernel ${base-url}/${name}-kernel-${arch} ip=dhcp rd.neednet=1 initrd=${name}-initramfs.${arch}.img,${name}-rootfs.${arch}.img console=tty0 console=ttyS0 coreos.inst.install_dev=/dev/sda coreos.inst.stream=stable coreos.inst.ignition_url=${http_url}/pxe-config.ign BOOTIF=01-${net0/mac}
initrd ${base-url}/${name}-initramfs.${arch}.img
initrd ${base-url}/${name}-rootfs.${arch}.img
boot
goto error
:windows
set arch x64
# See http://ipxe.org/howto/winpe
# Local IPFS copy
set base-url http://ipfs.k.lan/ipfs/QmTPQ6aeZtk2EwHumbGJFqBeKiNUJidzs586uMj7kuBynn
# http://git.ipxe.org/releases/wimboot/wimboot-latest.zip
# This is wimboot-2.6.0-signed
imgfree
kernel http://ipfs.k.lan/ipfs/QmZemVSA6ub1pN2jUfcNFMLbDfpKFjcWqTustK6sXcQ2eq/wimboot
initrd -n bcd ${base-url}/${arch}/bcd BCD ||
initrd -n boot.sdi ${base-url}/${arch}/boot.sdi boot.sdi ||
initrd -n boot.wim ${base-url}/${arch}/boot.wim boot.wim ||
#imgstat
#prompt
boot
goto error
||| % [http_url],
"cloud-init.yml": $.cloud_config.data.user_data,
"user-data": self["cloud-init.yml"],
// coreos/flatcar wants to install using ignition.
// see https://coreos.com/ignition/docs/latest/configuration-v2_1.html
ignition_config:: {
ignition: {version: "2.1.0"},
storage: {
local file(path, contents) = {
local this = self,
filesystem: "root",
path: path,
contents_:: contents,
contents: {
source: "data:;base64," + std.base64(this.contents_),
},
mode: kube.parseOctal("0644"),
},
files: [{
filesystem: "root",
path: "/var/lib/flatcar-install/user_data",
contents: {
source: "http://kube.lan:%d/user-data" % [$.httpdSvc.spec.ports[0].nodePort],
verification: {
// Alas, jsonnet doesn't have a sha512 yet.
//hash: "sha512-%s" % std.sha512($.cloud_config.data.user_data),
},
},
}],
},
},
"pxe-config.ign": kubecfg.manifestJson(self.ignition_config),
},
},
tftpboot_fetch:: utils.shcmd("tftp-fetch") {
shcmd:: |||
cd /data
rm -f undionly.kpxe ipxe.efi ipxe.pxe
wget http://boot.ipxe.org/undionly.kpxe
ln -sf undionly.kpxe undionly.0
wget http://boot.ipxe.org/ipxe.efi
wget http://boot.ipxe.org/ipxe.pxe
ln -sf ipxe.pxe ipxe.0
|||,
volumeMounts_+: {
tftpboot: { mountPath: "/data" },
},
},
httpdSvc: kube.Service("pxe-httpd") + $.namespace {
local this = self,
target_pod: $.httpd.spec.template,
spec+: {
type: "NodePort",
ports: [{
port: 80,
nodePort: 31069,
targetPort: this.target_pod.spec.containers[0].ports[0].containerPort,
}],
},
},
httpd: kube.Deployment("pxe-httpd") + $.namespace {
spec+: {
template+: {
spec+: {
tolerations+: utils.toleratesMaster,
containers_+: {
httpd: kube.Container("httpd") {
image: "httpd:2.4.57-alpine", // renovate
ports_+: {
http: { containerPort: 80 },
},
volumeMounts_: {
htdocs: { mountPath: "/usr/local/apache2/htdocs", readOnly: true },
},
resources+: {
requests+: {memory: "10Mi"},
},
},
},
volumes_+: {
htdocs: kube.ConfigMapVolume($.ipxe_config)
},
},
},
},
},
dnsmasq: kube.Deployment("pxe-dnsmasq") + $.namespace {
local this = self,
spec+: {
template+: {
spec+: pxeNodeSelector + {
hostNetwork: true,
dnsPolicy: "ClusterFirstWithHostNet",
initContainers+: [$.tftpboot_fetch],
default_container: "dnsmasq",
containers_+: {
dnsmasq: kube.Container("dnsmasq") {
local arch = this.spec.template.spec.nodeSelector["kubernetes.io/arch"],
local http_url = "http://%s:%d" % ["$(HOST_IP)", $.httpdSvc.spec.ports[0].nodePort],
// TFTP (not DHCP) could be served via a regular
// Service, but it needs to be host-reachable, and we
// don't really want to burn a NodePort on it.
local tftpserver = "$(POD_IP)",
// renovate: depName=registry.k8s.io/kube-dnsmasq-amd64
local version = "1.4",
image: "registry.k8s.io/kube-dnsmasq-%s:%s" % [arch, version],
args: [
"--log-facility=-", // stderr
"--log-dhcp",
"--port=0", // disable DNS
"--dhcp-no-override",
"--enable-tftp",
"--tftp-root=/tftpboot",
"--dhcp-userclass=set:ipxe,iPXE",
] + ["--dhcp-vendorclass=set:%s,PXEClient:Arch:%05d" % c for c in [
["BIOS", 0],
["UEFI32", 6],
["UEFI", 7], // aka BC_EFI
["UEFI64", 9], // aka X86-64_EFI
]] + [
"--dhcp-vendorclass=set:UEFI64-HTTP,HTTPClient:Arch:00016",
"--dhcp-range=$(POD_IP),proxy", // Offer proxy DHCP to everyone on local subnet
//"--pxe-prompt=Esc to avoid iPXE boot ...,5",
// NB: tag handling is last-match-wins
"--dhcp-boot=tag:!ipxe,undionly.kpxe,,%s" % tftpserver,
// Shiny UEFI boot by HTTP
"--dhcp-boot=tag:UEFI64-HTTP,%s/ipxe.efi" % http_url,
"--dhcp-option-force=tag:UEFI64-HTTP,60,HTTPClient",
"--pxe-service=tag:!ipxe,x86PC,Boot to undionly,undionly,%s" % tftpserver,
"--pxe-service=tag:!ipxe,x86PC,Boot to full iPXE,ipxe,%s" % tftpserver,
"--pxe-service=tag:!ipxe,X86-64_EFI,Boot to iPXE (X86-64),ipxe.efi,%s" % tftpserver,
"--pxe-service=tag:!ipxe,BC_EFI,Boot to iPXE (BC),ipxe.efi,%s" % tftpserver,
"--dhcp-boot=tag:ipxe,%s/boot.ipxe" % http_url,
],
env_: {
POD_IP: kube.FieldRef("status.podIP"),
// HOST_IP is same as POD_IP because hostNetwork=true.
// Used explicitly for clarity.
HOST_IP: kube.FieldRef("status.hostIP"),
},
ports_: {
dhcp: { hostPort: 67, containerPort: 67, protocol: "UDP" },
proxydhcp: { hostPort: 4011, containerPort: 4011, protocol: "UDP" },
tftp: { containerPort: 69, protocol: "UDP" },
},
volumeMounts_: {
leases: { mountPath: "/var/lib/misc" },
tftpboot: { mountPath: "/tftpboot", readOnly: true },
},
securityContext+: {
capabilities+: {
add: ["NET_ADMIN"],
},
},
},
},
volumes_: {
leases: kube.EmptyDirVolume(),
tftpboot: kube.EmptyDirVolume(),
},
},
},
},
},
}